CVE-2021-3597
2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.3%
A flaw was found in undertow. The HTTP2SourceChannel fails to write the final frame under some circumstances, resulting in a denial of service. The highest threat from this vulnerability is availability. This flaw affects Undertow versions prior to 2.0.35.SP1, prior to 2.2.6.SP1, prior to 2.2.7.SP1, prior to 2.0.36.SP1, prior to 2.2.9.Final and prior to 2.0.39.Final.
Affected configurations
| Vendor | Product | Version | CPE |
|---|---|---|---|
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
| redhat | undertow | * | cpe:2.3:a:redhat:undertow:*:*:*:*:*:*:*:* |
CNA Affected
[
{
"product": "undertow",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "undertow 2.0.35.SP1, undertow 2.2.6.SP1, undertow 2.2.7.SP1, undertow 2.0.36.SP1, undertow 2.2.9.Final, undertow 2.0.39.Final"
}
]
}
]References
Social References
More
Related
2.6 Low
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:N/I:N/A:P
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.5 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
39.3%